chromium/chrome/browser/resources/new_tab_page/modules/v2/most_relevant_tab_resumption/page_favicon.html

<style>
  :host {
    align-items: center;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 5px;
    display: flex;
    flex-shrink: 0;
    height: 36px;
    justify-content: center;
    margin-inline: 0 12px;
    width: 36px;
  }

  @media (forced-colors: active) {
    :host {
      forced-color-adjust: none;
    }
  }
</style>